Privilege Escalation
The latest Privilege Escalation coverage — news, analysis, and updates from the WindowsNews.AI desk.
Patch Azure Monitor Agent Flaw CVE-2026-42830 to Block Privilege Escalation
Microsoft’s May 2026 Patch Tuesday brought a critical reminder that even trusted monitoring tools can become an attack vector. Among the security updates released on May 12, 2026, CVE-2026-42830...
Patch Azure Arc now: CVE-2026-40381 gives local attackers SYSTEM or root access.
Microsoft disclosed CVE-2026-40381 on May 12, 2026, an Important-rated elevation-of-privilege vulnerability in the Azure Connected Machine Agent. The flaw allows an attacker with local access to a...
Microsoft Holds Back Technical Details on Azure Portal Admin Center Privilege Escalation Flaw
Microsoft’s Security Response Center (MSRC) has published CVE-2026-41086, an elevation-of-privilege vulnerability affecting the Windows Admin Center experience integrated into the Azure Portal. The...
Patch Tuesday Fix: CVE-2026-40420 Lets Local Users Escalate Office Click-To-Run to SYSTEM
Microsoft has disclosed CVE-2026-40420, an Important-rated elevation-of-privilege vulnerability in Microsoft Office Click-To-Run, the core deployment and update technology for Microsoft 365 Apps for...
CVE-2026-35436: Microsoft Patches Important Office Click-to-Run Elevation-of-Privilege Flaw
Microsoft rolled out its scheduled Patch Tuesday updates for May 2026, addressing a newly disclosed elevation-of-privilege vulnerability in Office Click-to-Run. CVE-2026-35436, rated Important, could...
Hyper-V Guest-to-Host Escape: Patch Critical CVE-2026-40402 Now
Microsoft’s May 2026 Patch Tuesday landed with a critical security update that Hyper-V administrators cannot afford to ignore. CVE-2026-40402, a use-after-free vulnerability in the Windows Hyper-V...
Microsoft patched CVE-2026-40398 in May 2026, an Important privilege escalation vulnerability in Windows Remote Desktop Services that allows a low-privileged authenticated attacker to gain SYSTEM priv
Microsoft's May 2026 Patch Tuesday rollout addressed 78 security vulnerabilities, among them CVE-2026-40398—an elevation-of-privilege bug in Windows Remote Desktop Services (RDS) scored at CVSS 7.8...
Microsoft May Patch Tuesday Fixes Critical CLFS Elevation of Privilege Bug
Microsoft’s May 12, 2026 Patch Tuesday includes a fix for CVE-2026-40397, an Important-severity elevation-of-privilege vulnerability in the Windows Common Log File System (CLFS) driver. Public...
CVE-2026-34340: Windows ProjFS Patch Fixes Critical EoP Flaw
Microsoft addressed a critical elevation-of-privilege (EoP) vulnerability in the Windows Projected File System (ProjFS) as part of its May 2026 Patch Tuesday updates. The flaw, tracked as...
Apply May 2026 Patch for Windows Telephony EoP Flaw CVE-2026-34338
On May 12, 2026, Microsoft published details on CVE-2026-34338, a new elevation-of-privilege (EoP) vulnerability affecting the Windows Telephony Service. The disclosure arrived as part of the...
CVE-2026-34337 Windows Cloud Files Driver Bug Grants SYSTEM — Patch Now
Microsoft has listed a new elevation-of-privilege vulnerability under CVE-2026-34337 in its Security Update Guide, affecting the Windows Cloud Files Mini Filter Driver. The flaw, rated Important by...
CVE-2026-34334 Windows TCP/IP Bug: Patch Now for SYSTEM Access
Microsoft has flagged CVE-2026-34334, a Windows TCP/IP privilege escalation vulnerability, with a critical exploitability assessment, pushing it to the top of the patch priority list for system...